Home / 43,787.34-65,690.23-14,202.86

Finding the Fourth Proportional to 43,787.34, 65,690.23 and 14,202.86

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Solution

The fourth proportional to 43,787.34, 65,690.23 and 14,202.86 is: 21,307.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,787.34 : 65,690.23 = 14,202.86 : x
  2. Step 2: Convert to fraction form
    43,787.34/65,690.23 = 14,202.86/x
  3. Step 3: Cross multiply
    43,787.34x = 65,690.23 × 14,202.86
  4. Step 4: Simplify right side
    43,787.34x = 932,989,140.06
  5. Step 5: Solve for x
    x = 932,989,140.06/43,787.34
  6. Step 6: Final answer
    x = 21,307.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.